/* 
 * GrayRabbit Cms基于J2EE架构内容管理系统
 * Copyright © GrayRabbit Co., Ltd. All rights reserved.
 * Department：运营部
 * 更多信息请访问：
 * http://code.google.com/p/gray-rabbit-cms/
 */
package org.grayrabbit.cms.dao.topic.impl;

import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.grayrabbit.cms.dao.topic.TopicContentDao;
import org.grayrabbit.cms.entity.TopicContent;
import org.grayrabbit.cms.vo.topic.TopicContentBean;
import org.springframework.stereotype.Repository;

import org.grayrabbit.dao.impl.GenericHibernateDao;
import org.grayrabbit.dao.util.Page;
import org.grayrabbit.dao.util.QueryCondition;

/**
 * <b>TopicContent</b> dao implementation 





 * @version 1.0，创建时间：2011-06-02 12:39:24 
 */
@Repository
public class TopicContentDaoImpl extends GenericHibernateDao<TopicContent, String>
		implements TopicContentDao {

	/**
	 * HQL主体语句
	 */
	public static final String MAIN_HQL = "From TopicContent as obj";
	/**
	 * HQL中count统计hql片段
	 */
	public static final String COUNT_HQL = "Select Count(obj) ";

	/**
	 * 根据bean组装查询条件
	 * @see TopicContentDao#assembly(TopicContentBean)
	 */
	public QueryCondition assembly(TopicContentBean bean) {
		QueryCondition qc = new QueryCondition(MAIN_HQL);
		transNameQuery(bean,qc);
		return qc;
	}

	/**
	 * 根据bean组装统计查询条件
	 * @see TopicContentDao#assemblyCount(TopicContentBean)
	 */
	public QueryCondition assemblyCount(TopicContentBean bean) {
		QueryCondition qc = new QueryCondition(COUNT_HQL + MAIN_HQL);
		transNameQuery(bean,qc);
		return qc;
	}

	/**
	 * @see TopicContentDao#count(TopicContentBean)
	 */
	public int count(TopicContentBean bean) {
		return ((Long)iterator(assemblyCount(bean)).next()).intValue();
	}

	/**
	 * 根据bean组装查询条件(名称参数)
	 * @see TopicContentDao#assemblyNameQuery(TopicContentBean)
	 */
	public QueryCondition assermblyNameQuery(TopicContentBean bean) {
		QueryCondition qc = new QueryCondition(MAIN_HQL);
		transNameQuery(bean, qc);
		return qc;
	}

	/**
	 * 根据bean组装统计查询条件(名称参数)
	 * @see TopicContentDao#assemblyNameQueryCount(TopicContentBean)
	 */
	public QueryCondition assemblyNameQueryCount(TopicContentBean bean) {
		QueryCondition qc = new QueryCondition(COUNT_HQL + MAIN_HQL);
		transNameQuery(bean,qc);
		return qc;
	}

	/**
	 * 填充分页组件
	 * @see TopicContentDao#findByPage(Page, TopicContentBean)
	 */
	public List<TopicContent> findByPage(Page<TopicContent> page,
			TopicContentBean bean) {
		QueryCondition qc = assembly(bean);
		qc.setMaxResults(page.getPageSize());
		qc.setOffset(page.getOffset());
		return findByQc(qc);
	}
	// 业务查询主要逻辑代码
	private void transNameQuery(TopicContentBean bean,QueryCondition qc){
		if(bean!=null){
			 
		}
	}
	/**
	 * 根据专题id查询
	 */
	public List<TopicContent> findByTopicId(String topicId){
		QueryCondition qc = assembly(null);
		if(StringUtils.isNotBlank(topicId)){
			qc.add("And obj.topic.topicId = ? ", topicId);
		}
		return findByQc(qc);
	}

}